<?php
class Core_Model_Selectdata implements Core_Model_Mainable {
	
	/**
	 * 
	 * @var object $select_data
	 */
	public $select_data;
	
	/**
	 * constructor()
	 * initialize select data
	 */
	public function __construct(){
		$this->select_data = new Core_Data_Selectdata;
	}
	
	/**
	 * return result of query
	 * @see Core_Model_Mainable::main()
	 */
	public function main(array $variables = null){
		return $this->select_data->main($variables);
	}
	
}